Brand New black powder coated ball milled billet aluminum Valve Cover Breather with Grommet. This breather will fit all 1-1/4 Inch valve cover openings. Will not fit factory valve covers with 3/4 Inch openings. Included grommet reduce to accept 7/8 Inch stem. This breather easily comes apart for cleaning. Perfect for your Rat Rod, Hot Rod, Muscle Car, Gasser or Custom Car project.